circuit-breaker VL 400N standard breaking capacity Icu=55kA / 415 V AC 3 pole, motor/ generator protection electronic trip unit ETU10M, LI In=315A, rated current ir=125-315A, overload iI=1,25to11xin, short circuit without auxiliary release ETU communication-capable Auxiliary switch mounting kit 2 AUX (1 NO + 1 NC)